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dma: add irq_callback to dma_chan_data
Adds irq_callback to dma_chan_data. It's called by the DMA domain right after receiving an interrupt, so should execute very time-sensitive operations. Signed-off-by: Tomasz Lauda <tomasz.lauda@linux.intel.com>
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‎src/include/sof/lib/dma.h‎

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@@ -222,6 +222,11 @@ struct dma_chan_data {
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/* callback type */
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int cb_type;
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/* called by the DMA domain right after receiving an interrupt,
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* so should execute very time-sensitive operations
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*/
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void (*irq_callback)(struct dma_chan_data *channel);
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void *private;
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};
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‎src/schedule/dma_multi_chan_domain.c‎

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@@ -250,6 +250,10 @@ static bool dma_multi_chan_domain_is_pending(struct ll_schedule_domain *domain,
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if (dma_domain->data[i][j].task != task)
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continue;
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/* execute callback if exists */
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if (dmas[i].chan[j].irq_callback)
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dmas[i].chan[j].irq_callback(&dmas[i].chan[j]);
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/* clear interrupt */
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dma_interrupt(&dmas[i].chan[j], DMA_IRQ_CLEAR);
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interrupt_clear_mask(dma_domain->data[i][j].irq,

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